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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. 16-20 hours






2. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.






3. 14-19 (17) days






4. Prevent the cow from getting an infection from the calve






5. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






6. Gonadotropic (GnRH) is (FSH and LH). Follical Stimulating (FSH) and Lutinizing Hormone (LH).






7. 4-6 days






8. Check feet and legs - look for masculine traits in build such as crest and muscling






9. Provide nourishment for the developing sperm






10. Failure to have one testis (gonad) to descend






11. Days which have increasing daylight hours

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12. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg






13. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






14. Way to know everything is alright with the breeding male






15. Larger the cow - more milk is produced; smaller the cow - less milk is produced






16. Way to know everything is alright with the breeding male






17. Look for infection - split - and rupture of the penis






18. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






19. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells






20. Animal which has been castrated after puberty






21. Birthing process (termination of gestation)






22. Why Dairy calves are fed powdered milk.






23. Parturition is controlled by...






24. 1-3 days






25. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






26. Animals which have many estrous periods during certain periods per year (ex: mare - ewe)






27. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






28. Not under a timeline - cow can not be sold as steak






29. 4-6 days






30. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm






31. Implies the amount of estrogen production






32. 16-20 hours






33. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)






34. Failure to have one testis (gonad) to descend






35. Duct through penis that carries sperm and urine






36. 1-2 days






37. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.

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38. 114 days






39. To remove/separate testicles from animal's body before animal reaches puberty






40. (male) pushes the testes upward toward the body for warmth or protection






41. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.

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42. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.






43. Allows extension of penis without fibro-elastic penis






44. 45-60 days after breeding; re-breed as required






45. (switzerland) 2nd in size and milk production - most muscle -






46. What helps regulate spermatogenesis?






47. 283 days






48. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off






49. Animals which have many estrous periods per year (ex: cow - sow)






50. Knife-loose ~1wk of growth. band-loose ~2wks of growth.